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Yoke does not want to come off pinion

Discussion in 'Early CJ5 and CJ6 Tech' started by aekdbbop, Sep 10, 2015.

  1. Sep 10, 2015
    aekdbbop

    aekdbbop Member

    TN
    Joined:
    Jul 31, 2014
    Messages:
    403
    Nothing can ever be easy...

    Was replacing U joints and the oil seal.. Got the pinion nut off after speaking in PB and using an air wrench.. It was on there really tight.

    Now I can't get the dang yoke off.. I smothered it in pb overnight and I'll do that again this morning before work.

    I've seen where people have suggested using a steering wheel puller and the U joint straps...

    Any other suggestions?
     
  2. Sep 10, 2015
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Virginia Beach, VA
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    Apr 28, 2011
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    I just use a 2 jaw gear puller . works every time
     
  3. Sep 10, 2015
    tarry99

    tarry99 Member

    Northern California
    Joined:
    Oct 29, 2012
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    3,784
    A stout 2 or 3 jaw puller needs to be used.............a little heat applied at the yoke will also help to get it loose.
     
  4. Sep 10, 2015
    aekdbbop

    aekdbbop Member

    TN
    Joined:
    Jul 31, 2014
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    403
    Rented a 2 jaw puller ill try tonight. There is just a nut that holds the yoke on, correct? not like a retaining washer or anything..
     
  5. Sep 10, 2015
    duffer

    duffer Rodent Power

    Bozeman, MT
    Joined:
    Sep 17, 2009
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    4,524
    Yep, just splines after the nut/washer is off. They can either be stuck by rust or RTV if someone used that to seal the splines (actually a good practice). A straight bar type puller and some 5/16's bolts through two of the yoke U-bolt holes is usually sufficient. The real problem is re-tightening the yoke nut. The preload given in the FSM is not relevant since those numbers are for only the pinion-no gears/axles/etc. You have to guess and the best guess is usually as tight as you can get it-200 ft lbs or so.
     
  6. Sep 10, 2015
    aekdbbop

    aekdbbop Member

    TN
    Joined:
    Jul 31, 2014
    Messages:
    403
    The 2 jaw puller worked like a charm. Thanks guys
     
  7. Sep 12, 2015
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
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    Mar 14, 2015
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    739
    I was thinking of taking mine off too as I can't seem to get it tight enough to stop any play. I assume there is a bearing/seal I can replace too or do I need to crack open the case?
     
  8. Sep 12, 2015
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
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    Aug 3, 2003
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    Are you talking rotational play, radial play, axial play? Loose splines?
     
  9. Sep 12, 2015
    Jonbbrew

    Jonbbrew Member

    Paso Robles, CA
    Joined:
    Mar 14, 2015
    Messages:
    739
    To be simplistic, if you just grab it and wiggle as if the nut was loose it has play in it. Not when you spin it as i know that would be more about the gears.
     
  10. Sep 12, 2015
    tarry99

    tarry99 Member

    Northern California
    Joined:
    Oct 29, 2012
    Messages:
    3,784
    The Spline is worn out...........or in other words the dimensions between the two parts are greater than they should be.........In the case of a Yoke attached to a Pinion , the pinion gear through the needed heat treat process to preserve that part would be much harder on a Rockwell scale as compared to a non-heat-treated Item such as a lowly Yoke.........Need to replace the yoke. Get a new lock nut while your at it.
     
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